431350940 has 24 divisors (see below), whose sum is σ = 906468192. Its totient is φ = 172420160.

The previous prime is 431350897. The next prime is 431350943. The reversal of 431350940 is 49053134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431350943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25430 + ... + 38850.

It is an arithmetic number, because the mean of its divisors is an integer number (37769508).

Almost surely, 2^431350940 is an apocalyptic number.

It is an amenable number.

431350940 is an abundant number, since it is smaller than the sum of its proper divisors (475117252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431350940 is a wasteful number, since it uses less digits than its factorization.

431350940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15037 (or 15035 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 431350940 is about 20768.9898646997. The cubic root of 431350940 is about 755.5738455620.

The spelling of 431350940 in words is "four hundred thirty-one million, three hundred fifty thousand, nine hundred forty".